Bicycle helmet



FIG. 1 is a perspective view of a bicycle helmet showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof with the right side elevational view being a mirror image of the view shown in FIG. 3;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view of a bicycle helmet showing a second embodiment thereof;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a right side elevational view thereof with the left side elevational view being a mirror image of the view shown in FIG. 9;

FIG. 10 is a top view thereof;

FIG. 11 is a front elevational view thereof; and,

FIG. 12 is a bottom view thereof. 

The ornamental design for a bicycle helmet, as shown. 